JPS6358326B2 - - Google Patents

Info

Publication number
JPS6358326B2
JPS6358326B2 JP57045234A JP4523482A JPS6358326B2 JP S6358326 B2 JPS6358326 B2 JP S6358326B2 JP 57045234 A JP57045234 A JP 57045234A JP 4523482 A JP4523482 A JP 4523482A JP S6358326 B2 JPS6358326 B2 JP S6358326B2
Authority
JP
Japan
Prior art keywords
lens
lens group
refractive power
zoom
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP57045234A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58160912A (ja
Inventor
Keiji Ikemori
Masatake Kato
Tsunefumi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP57045234A priority Critical patent/JPS58160912A/ja
Publication of JPS58160912A publication Critical patent/JPS58160912A/ja
Publication of JPS6358326B2 publication Critical patent/JPS6358326B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/146—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups
    • G02B15/1461—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups the first group being positive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP57045234A 1982-03-19 1982-03-19 ズ−ムレンズ Granted JPS58160912A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57045234A JPS58160912A (ja) 1982-03-19 1982-03-19 ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57045234A JPS58160912A (ja) 1982-03-19 1982-03-19 ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58160912A JPS58160912A (ja) 1983-09-24
JPS6358326B2 true JPS6358326B2 (enrdf_load_stackoverflow) 1988-11-15

Family

ID=12713562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57045234A Granted JPS58160912A (ja) 1982-03-19 1982-03-19 ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58160912A (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61258217A (ja) * 1985-05-11 1986-11-15 Canon Inc ズ−ムレンズ系
JP3508273B2 (ja) * 1995-03-08 2004-03-22 株式会社ニコン ズームレンズ
JP3590807B2 (ja) * 1995-03-08 2004-11-17 株式会社ニコン ズームレンズ
JP4817551B2 (ja) * 2001-08-03 2011-11-16 キヤノン株式会社 ズームレンズ
JP2007327991A (ja) * 2006-06-06 2007-12-20 Olympus Imaging Corp ズームレンズ及びそれを備えた撮像装置
JP5280230B2 (ja) * 2009-02-02 2013-09-04 パナソニック株式会社 ズームレンズ系、交換レンズ装置、及びカメラシステム
JP5972076B2 (ja) * 2012-07-09 2016-08-17 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6056429B2 (ja) * 2012-12-03 2017-01-11 リコーイメージング株式会社 超広角レンズ系
CN113534425B (zh) * 2021-07-30 2025-07-04 舜宇光学(中山)有限公司 变焦镜头

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850326B2 (ja) * 1977-12-02 1983-11-10 旭光学工業株式会社 歪曲収差の小さなズ−ムレンズ
JPS58100115A (ja) * 1981-12-10 1983-06-14 Mamiya Koki Kk ズ−ムレンズ

Also Published As

Publication number Publication date
JPS58160912A (ja) 1983-09-24

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